<template>
  <el-dialog
    title="新增员工"
    :visible="showDialog"
    top="8vh"
    @close="closeDialog"
    @click.native="handleDialogClick"
  >
    <!-- 表单 -->
    <el-form ref="addForm" :model="formData" :rules="rules" label-width="120px">
      <el-form-item label="姓名" prop="username">
        <el-input v-model="formData.username" style="width:50%" placeholder="请输入姓名" />
      </el-form-item>
      <el-form-item label="手机" prop="mobile">
        <el-input v-model="formData.mobile" style="width:50%" placeholder="请输入手机号" />
      </el-form-item>
      <el-form-item label="入职时间" prop="timeOfEntry">
        <el-date-picker v-model="formData.timeOfEntry" style="width:50%" placeholder="请选择入职时间" />
      </el-form-item>
      <el-form-item label="聘用形式" prop="formOfEmployment">
        <el-select
          v-model="formData.formOfEmployment"
          style="width:50%"
          placeholder="请选择"
        >
          <el-option
            v-for="item in hireType"
            :key="item.id"
            :label="item.value"
            :value="item.id"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="工号" prop="workNumber">
        <el-input v-model="formData.workNumber" style="width:50%" placeholder="请输入工号" />
      </el-form-item>
      <el-form-item label="部门" prop="departmentName">
        <!--
          注意: v-model是双向绑定的, 需要单向赋值
          手法: v-model -- :value
         -->
        <el-input
          :value="formData.departmentName"
          style="width:50%"
          placeholder="请选择部门"
          @click.native.stop="getDeptList"
        />
        <!-- 树形组件 -->
        <div v-if="isShowTree" class="tree-box">
          <el-scrollbar>
            <el-tree
              v-loading="loading"
              :data="treeData"
              :props="{label: 'name'}"
              @node-click="handleNodeClick"
            />
          </el-scrollbar>
        </div>
      </el-form-item>
      <el-form-item label="转正时间" prop="correctionTime">
        <el-date-picker v-model="formData.correctionTime" style="width:50%" placeholder="请选择转正时间" />
      </el-form-item>
    </el-form>
    <!-- footer插槽 -->
    <template #footer>
      <el-button @click="closeDialog">取消</el-button>
      <el-button type="primary" @click="btnOk">确定</el-button>
    </template>
  </el-dialog>
</template>

<script>
import { getDepartments } from '@/api/departments'
import { addEmployee } from '@/api/employees'
import { tranListToTreeData } from '@/utils'
import EmployeeEnum from '@/api/constant/employees'

export default {
  name: 'AddEmployee',
  props: {
    // 1. 由父组件控制显示和隐藏
    showDialog: {
      type: Boolean,
      default: false
    }
  },
  data() {
    return {
      // 1. 表单对象
      formData: {
        username: '', // 用户名
        mobile: '', // 手机号
        formOfEmployment: '', // 聘用形式
        workNumber: '', // 工号
        departmentName: '', // 部门
        timeOfEntry: '', // 入职时间
        correctionTime: '' // 转正时间
      },
      // 2. 校验规则对象
      rules: {
        username: [
          { required: true, message: '用户姓名不能为空', trigger: ['blur', 'change'] },
          { min: 1, max: 4, message: '用户姓名为1-4位', trigger: ['blur', 'change'] }
        ],
        mobile: [
          { required: true, message: '手机号不能为空', trigger: ['blur', 'change'] },
          { pattern: /^1[3-9]\d{9}$/, message: '手机号格式不正确', trigger: ['blur', 'change'] }
        ],
        formOfEmployment: [
          { required: true, message: '聘用形式不能为空', trigger: ['blur', 'change'] }
        ],
        workNumber: [
          { required: true, message: '工号不能为空', trigger: ['blur', 'change'] }
        ],
        departmentName: [
          { required: true, message: '部门不能为空', trigger: ['blur', 'change'] }
        ],
        timeOfEntry: [
          { required: true, message: '请选择入职时间', trigger: ['blur', 'change'] }
        ]
      },
      // 3. 树组件数据
      treeData: [],
      // 4. 控制树形组件的显示和隐藏
      isShowTree: false,
      // 5. 加载圈
      loading: false,
      // 6. 聘用形式
      hireType: EmployeeEnum.hireType
    }
  },
  methods: {
    // 1. 关闭弹窗
    closeDialog() {
      this.$emit('update:showDialog', false)
      // 重置表单
      this.$refs.addForm.resetFields()
    },
    // 2. 获取部门数据
    async getDeptList() {
      // 2.0 展示或隐藏树组件
      this.isShowTree = !this.isShowTree
      // 2.1 如果树组件是隐藏则没有必要执行后续代码
      if (!this.isShowTree) return
      // 2.2 获取所有部门的数据
      this.loading = true
      const { depts } = await getDepartments()
      // 2.3 把对象数组转成树形数组
      this.treeData = tranListToTreeData(depts, '')
      this.loading = false
    },
    // 3. 处理弹窗上的点击
    handleDialogClick() {
      // 3.1 隐藏树组件
      this.isShowTree = false
    },
    // 4. 处理树组件节点点击
    handleNodeClick(data) {
      // 4.1 判断是否是非叶子节点
      if (data.children && data.children.length > 0) return
      // 4.2 到达叶子节点
      this.formData.departmentName = data.name
      // 4.3 隐藏树组件
      this.isShowTree = false
    },
    // 5. 点击新增按钮
    async btnOk() {
      // console.log(this.$parent)
      // 5.1 整体校验
      await this.$refs.addForm.validate()
      // 5.2 调用接口
      await addEmployee(this.formData)
      // 5.3 提示
      this.$message.success('新增员工成功')
      // 5.4 关闭弹窗
      this.closeDialog()
      // 5.5 通知父组件更新数据
      this.$emit('addEmployee')
    }
  }
}
</script>

<style lang="scss" scoped>
.tree-box {
  position: absolute;
  width: 50%;
  // min-height: 50px;
  // max-height: 220px;
  height: 220px;
  left: 0;
  top: 45px;
  z-index: 100;
  border: 1px solid #ccc;
  border-radius: 4px;
  padding-right: 5px;
  // overflow: auto;
  background-color: #fff;

  .el-scrollbar {
    height: 100%;
    // 深度穿透选择器
    ::v-deep {
      .el-scrollbar__wrap{
        overflow-x: hidden;
      }
    }
  }

  ::v-deep {
    .el-tree-node__content {
      height: auto;
    }
  }
}
</style>

